RoLanka offers coir twine for coir roll installation, to tie willow bundles as well as for other landscaping needs. RoLanka offers BioD-Twine™ coir twine that is made from machine twisted bristle coir fiber. The biodegradable coir twine has numerous applications in soil bioengineering. Available in 3mm and 6mm thickness. A spool of 6 mm coir twine comes in 425 ft. and a spool of 3 mm coir twine comes in 1000 ft.